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  • Stainless SMLS Pipe

    Seamless stainless steel pipe is a kind of hollow long cylindrical steel, his scope of application is used as a pipeline for transporting fluids, mainly widely used in petroleum, chemical, medical, food, light industry, mechanical appearance and other industrial transport pipes and mechanical structural components.

    Steel grade: TP304, TP304L, TP316L, TP321, TP310S, TP347H, S31803, etc

    Standard：GB/T14975-2002、GB/T14976-2002、GB/T13296-2007、GB9948-2006、GB5310-2008ASTM
    A312、ASTM A213、ASTM A269、ASTM A511、ASTM A789、ASTM A790、JIS3463、JIS3459、EN1021
    6-5DIN2462、DIN17458、DIN17456.

    Surface treatment: pickling annealing, pickling annealing + polishing, bright annealing, bright annealing + polishing

    Seamless steel pipe manufacturing process:

    The tube billet heating – inspection – skin – – – perforation, pickling, grinding smooth, dry, welding head, cold drawn – solid solution treatment, pickling, pickling passivation – inspection.

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  • Stainless steel heat exchanger tube

    Steel Grade：304、304L、321、316、316L、310S、347H、2205、2507、904L etc.

    Standard: GB3087-1999 “Seamless Steel pipe for low and medium pressure boiler”, GB5310-1995 “Seamless steel pipe for high pressure boiler”, GB13296-2007 “Seamless stainless steel pipe for boiler and heat exchanger”, ASME SA213 “Seamless ferrite and austenitic alloy steel pipe for boiler, superheater and heat exchanger”.

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  • stainless steel square pipe rectangular tube

    Material 201 202 304 316L 310S 309S 321 316Ti 410 420 430 409 duple,SAF2205,S31803 etc. Thickness 0.25-10mm Length 3-6m or as customized Outer Diameter 6-508mm Size (squarepipe) 10×10,12×12,18×18,23×23,38×38,50×50,70×70,100×100,20×10,23×10,] 24×12,25×13,36×23,40×20,50×20,60×15,75×45,80×60,95×45,100×60,150×100 mm or as customized Size(oval pipe) 30×15,80×40 mm or as customized Process Method Polished, cold drawn, annealed with nitrogen protection, ultrasonic,automatic shape etc Finishing A: sanded B:…

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  • stainless steel welded pipe EFW pipe

    Steel grade: TP304, TP304L, TP316L, TP321, TP310S, TP347H, S31803, SS904L etc

    Standard: GB/T12770-2002,GB/T12771-2008, ASTM A312/312M, ASTM A249/249M,ASTM A688/688M

    Stainless steel welded pipe features:

    First, the small-caliber stainless steel welded pipe is continuous online production, the thicker the wall thickness, the greater the investment in the unit and the melting equipment, the less economical and practical it is. The thinner the wall thickness, the lower the input-output ratio; Secondly, the process of the product determines its advantages and disadvantages. Generally, the welding steel pipe has high precision, uniform wall thickness, high external brightness inside the pipe (the surface brightness of the steel pipe determined by the surface grade of the steel plate), and can be arbitrarily measured. Therefore, it reflects its economy and aesthetics in high precision, medium and low pressure fluid applications.

    Stainless steel welded pipe welding features:

    According to the welding technology can be divided into automatic welding welding, manual welding. Submerged arc welding and plasma welding are generally used for automatic welding, and argon arc welding is generally used for manual welding.

    Stainless steel welded pipe classification:

    According to the form of weld, it is divided into straight seam welded pipe and spiral welded pipe.

    According to the use, it is divided into general welded pipe, heat exchanger pipe, condenser pipe, galvanized welded pipe, oxygen blown welded pipe, wire casing, metric welded pipe, roller pipe, deep well pump pipe, automobile pipe, transformer pipe, electric welded thin-wall pipe, electric welded special shape pipe and spiral welded pipe.

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